How many grams of H2SO4 will be in 800ml of a 1.5M H2SO4 solution?

The answer for #3 is c but i don't know why

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.